Average Co-Inventor Count = 5.00
ph-index = 2
The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.
Company Filing History:
1. Matsushita Electric Works, Ltd. (2 from 1,623 patents)
2. Panasonic Electric Works IP Center Co., Ltd. (1 from 3 patents)
3 patents:
1. D580671 - Electric massaging chair
2. D572950 - Electric massaging chair
3. D572951 - Electric massaging chair